Home / 64,139.85-96,209.78-34,571.61

Finding the Fourth Proportional to 64,139.85, 96,209.78 and 34,571.61

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Solution

The fourth proportional to 64,139.85, 96,209.78 and 34,571.61 is: 51,857.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,139.85 : 96,209.78 = 34,571.61 : x
  2. Step 2: Convert to fraction form
    64,139.85/96,209.78 = 34,571.61/x
  3. Step 3: Cross multiply
    64,139.85x = 96,209.78 × 34,571.61
  4. Step 4: Simplify right side
    64,139.85x = 3,326,126,819.49
  5. Step 5: Solve for x
    x = 3,326,126,819.49/64,139.85
  6. Step 6: Final answer
    x = 51,857.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.